these 7 derivations will be built:
  /nix/store/ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv
  /nix/store/4pmwhwws0lgyk3zqrlskvzqkiqi8b0wy-iets-fuzz-diff-deps-0.0.0.drv
  /nix/store/snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv
  /nix/store/69nnga9yvb5k204s38bx5iab4llj383l-iets-0.2.0.drv
  /nix/store/b58nnb1a236v5n2n7ydjmwxh8681gb91-iets-fuzz-diff-0.0.0.drv
  /nix/store/c1kr80ddlj5j88zgqidv3zljxmblnn4m-iets-conformance-adapter.drv
  /nix/store/72607k1yvb25ap79vxx33cdxdwr5z9i1-nix-conformance-iets.drv
building '/nix/store/snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
warning: snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/snnwhd09cwnrfb2w0krkrrjxjbwh3i3c-iets-deps-0.2.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/wk8mfy08hfmkzvw1gq4qm2w2ybw26mrq-iets-deps-0.2.0
error: Cannot build '/nix/store/69nnga9yvb5k204s38bx5iab4llj383l-iets-0.2.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/m7jqdvs0mrr1yn7sn9yd8i8906iza1ym-iets-0.2.0
building '/nix/store/ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
warning: ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/ra3sk8y2960maracg9xfhbfhsh0l0yr3-source.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/sz86bk35n6rn537vxz4lpnd9pw0i0nj4-source
error: Cannot build '/nix/store/4pmwhwws0lgyk3zqrlskvzqkiqi8b0wy-iets-fuzz-diff-deps-0.0.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/f1l14biqbibhr5f5z6lq207gk4dg6yk4-iets-fuzz-diff-deps-0.0.0
error: Cannot build '/nix/store/b58nnb1a236v5n2n7ydjmwxh8681gb91-iets-fuzz-diff-0.0.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/bmfvvn8l2309jpi9wvhmri2lj0j925f8-iets-fuzz-diff-0.0.0
error: Cannot build '/nix/store/c1kr80ddlj5j88zgqidv3zljxmblnn4m-iets-conformance-adapter.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/j2ivwvimcxf77155f7b552937hj6670n-iets-conformance-adapter
error: Cannot build '/nix/store/72607k1yvb25ap79vxx33cdxdwr5z9i1-nix-conformance-iets.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/brgsg5c9vw1m42ca06fx00b445cxamyc-nix-conformance-iets